Overview Of Bus Control; Area Partitioning - Renesas H8S Series Hardware Manual

6.3

Overview of Bus Control

6.3.1

Area Partitioning

In advanced mode, the bus controller partitions the 16 Mbytes address space into eight areas, 0 to 7, in 2-Mbyte units, and
performs bus control for external space in area units. Figure 6-2 shows an outline of the memory map.
Chip select signals (CS0 to CS7) can be output for each area.
H'000000
H'1FFFFF
H'200000
H'3FFFFF
H'400000
H'5FFFFF
H'600000
H'7FFFFF
H'800000
H'9FFFFF
H'A00000
H'BFFFFF
H'C00000
H'DFFFFF
H'E00000
H'FFFFFF
Advanced mode
Figure 6-2 Overview of Area Partitioning
Area 0
(2 Mbytes)
Area 1
(2 Mbytes)
Area 2
(2 Mbytes)
Area 3
(2 Mbytes)
Area 4
(2 Mbytes)
Area 5
(2 Mbytes)
Area 6
(2 Mbytes)
Area 7
(2 Mbytes)
Rev.6.00 Oct.28.2004 page 121 of 1016
REJ09B0138-0600H